—________ will your brother come back?—I’m not sure. Maybe in a week.A. When B. How C. Whether
--- It’s time to go to bed, Betty! --- OK. ______ , Mummy.
—Could you tell me ? —About one hour and a half.
—When is National Public Memorial Day(国家公祭日) ? —On December 13th. And it can us of the hard days in the past.
—What you can do is _______ more English if you want to learn English well. —You mean _______ more English is useful to me?
—There’re a few new words in the article? —What about _________in your dictionary?